To not to disturb Otterkins thread... here is my latest drawing of Henschel 129. This is what I got:
Now when I delete everything inside, I got this. For better illustration each separate line is colored differently:
But what I want is a clean outline, like this:
Now I do it manualy by modifying, cuting, and joining piece by piece into one single line. Any better idea? Something like when I want to paint it then in PS, I choose magic wand for outside and then invert?